//Precondition: datablock cannot be null
//Parses Gamename, playerNames and the team indices of the player.
private void ParseGameHeaderBlock(DataBlock dataBlock, ReplayData replayData, out int endIndex)
{
//Skip 4 (According to specification, first 4 bytes is unknown)
int currIndex = 4;
byte[] gameHeaderData = dataBlock.DecompressedDataBlockBytes;
byte recordId = gameHeaderData[currIndex];
currIndex++;
byte playerId = gameHeaderData[currIndex];
currIndex++;
string playerName = ByteUtility.GetNullTerminatedString(gameHeaderData, currIndex, out currIndex);
replayData.AddPlayerInfo(new PlayerInfo(playerName,playerId,recordId));
//Custom data byte. We can safely ignore this.
Debug.Assert(gameHeaderData[currIndex] == 0x01);
currIndex++;
//Null byte. Ignore this as well
Debug.Assert(gameHeaderData[currIndex] == 0x00);
currIndex++;
replayData.GameName = ByteUtility.GetNullTerminatedString(gameHeaderData, currIndex, out currIndex);
//Null byte.
Debug.Assert(gameHeaderData[currIndex] == 0x00);
currIndex++;
//Refers to Section 4.4, 4.5 (Game Settings, Map&Creator Name)
//We don't actually need this information, but it's kept just in case we need it in the future
string encodedString = ByteUtility.GetReplayEncodedString(gameHeaderData, currIndex, out currIndex);
//According to spec, this is player count but in reality, it's mapslotcount
uint mapSlotCount = ByteUtility.ReadDoubleWord(gameHeaderData, currIndex);
currIndex += 4;
//Game Type byte. Safely skip (Section 4.7)
currIndex++;
//Private Flag. Safely Skip (Section 4.7)
currIndex++;
//Unknown Word. Safely Skip (Section 4.7)
currIndex += 2;
//Language ID. Safely Skip (Section 4.8)
currIndex += 4;
//Loop until we find all players
while (gameHeaderData[currIndex] == 0x16)
{
recordId = gameHeaderData[currIndex];
currIndex++;
playerId = gameHeaderData[currIndex];
currIndex++;
playerName = ByteUtility.GetNullTerminatedString(gameHeaderData, currIndex, out currIndex);
replayData.AddPlayerInfo(new PlayerInfo(playerName, playerId, recordId));
//Custom data byte. We can safely ignore this.
Debug.Assert(gameHeaderData[currIndex] == 0x01);
currIndex++;
//Skip 4 unknown bytes (Section 4.9)
currIndex += 4;
//Skip null byte
while (gameHeaderData[currIndex] == 0x00)
{
currIndex++;
}
}
//Skip Record Id (Section 4.10, always 0x19)
currIndex++;
//Number of data bytes following
ushort dataByteCount = ByteUtility.ReadWord(gameHeaderData, currIndex);
currIndex += 2;
//number of available slots (For fate, always 12)
int slotCount = gameHeaderData[currIndex];
currIndex++;
//int slotRecordIndex = 0;
for (int i = 0; i < slotCount; i++ )
{
playerId = gameHeaderData[currIndex];
currIndex++;
if (playerId == 0x00) //Computer player. Skip to next one
{
currIndex += 8;
continue;
}
//Skip map download percent
currIndex++;
byte slotStatus = gameHeaderData[currIndex];
if (slotStatus == 0x00) //Empty slot. Skip to next one.
{
currIndex += 7;
continue;
}
currIndex++;
//Skip computer player flag
currIndex++;
byte teamNumber = gameHeaderData[currIndex];
PlayerInfo player = replayData.GetPlayerInfoByPlayerReplayId(playerId);
if (player == null)
throw new InvalidDataException("Player Id not found! ID: " + playerId);
player.Team = teamNumber;
replayData.PlayerCount++;
currIndex++;
//Skip rest of bytes (color, raceflags, AI strength, handicap)
currIndex += 4;
}
//Skip randomseed (Section 4.12)
currIndex += 4;
//Skip selectMode
byte selectMode = gameHeaderData[currIndex];
//For fate, Team & Race is not selectable.
currIndex++;
//Skip StartSpotCount
currIndex++;
endIndex = currIndex;
}